08 gmc sierra denali, backup camera

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aequitasveritas

Member - Posts: 6

Joined: August 27, 2006

Location: United States

Posted: November 08, 2008 at 12:17 PM / IP Logged

Hey guys. I am adding a backup cam to the factory nav system in a 08 denali truck. I am needing a radio pin out so i can find the reverse input or something similar to activate the video when the truck is put into reverse. thanks in advance.

-Noble

Unlimited Weatherford

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 10, 2008 at 9:36 PM / IP Logged

I am pretty sure that there is no 12 volt trigger to tell the unit that the vehicle is in reverse. It is controlled by the DATA from one of the computers in the vehicle. I have no idea who the manufacturer is, but we do sell aftermarket units that are compatible with the data system.

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Mike M2

Platinum - Posts: 2,652

Joined: June 29, 2005

Location: United States

Posted: November 11, 2008 at 6:26 AM / IP Logged

Yes it is data controlled. You need to visit your dealer to have it turned on. They will plug a TECH2 into the truck, download the trucks info to it, then take the TECH2 and connect to a PC in thier shop. On the PC they connect to GM's website and make the changes, then load the info back on to the TECH2. After that they plug back into the truck and upload the info to the BCM and the changes take effect. It's a stupid process but a way for GM to keep track of BCM mods taking place. You are talking an hours labor from your dealer, under 100 bucks...

Mike M2

Tech Manager

CS Dealer Services

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aequitasveritas

Member - Posts: 6

Joined: August 27, 2006

Location: United States

Posted: December 12, 2008 at 7:02 PM / IP Logged

thanks guys. i eneded up taking it back to the dealership because they had tech2'd it to unlock the stereo in the first place (was swapping in factory screen in non screen truck) and told them i was doing a reverse cam and they forgot i guess. but thanks.

Noble

Unlimited Weatherford

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08 gmc sierra denali, backup camera

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